Data Package Metadata View Summary

Vascular Root Biomass and N Concentrations at Two Depths in an Alberta Peatland Subjected to Increasing Nitrogen Deposition, 2014-2015

General Information

Data Package:
Local Identifier:	edi.258.2
Title:	Vascular Root Biomass and N Concentrations at Two Depths in an Alberta Peatland Subjected to Increasing Nitrogen Deposition, 2014-2015
Alternate Identifier:	DOI PLACE HOLDER
Abstract:	Development of the oil sands has led to increasing atmospheric N deposition, with values as high as 17 kg N ha^-1 yr^-1; regional background levels <2 kg N ha^-1 yr^-1. Bogs, being ombrotrophic, may be especially susceptible to increasing N deposition. To examine responses to N deposition, over five years, we experimentally applied N (as NH₄NO₃) to a bog near Mariana Lakes, Alberta, at rates of 0, 5, 10, 15, 20, and 25 kg N ha^-1 yr^-1, plus controls (no water or N addition). From 2014-2015, we examined the effects of N addition on root production and nitrogen assimilation in those roots by measuring root biomass at two depths and root production over one and two years. Root biomass in the 0-15 cm and 15-30 cm depth increments in peat increased with increasing N input; the response was similar in the two depth increments. Root production integrated over the top 30 cm of peat increased with increasing N input at a rate of 5.3 g m^-2 yr^-1 with an increase in N input of 1 kg N ha^-1 yr^-1. Water addition alone had no significant effect on root biomass (p > 0.72) or root production. Given the rather consistent finding increasing N deposition stimulates aboveground vascular plant biomass and production, and our results that root biomass and production at Mariana Lakes Bog are stimulated as well, further work on belowground responses seems warranted.
Publication Date:	2019-01-08

Time Period

Begin:

2014-05-31

End:

2015-09-23

People and Organizations
Contact:	Wieder, Kelman R (Villanova University) [ email ]
Creator:	Wieder, Kelman R (Villanova University)
Creator:	Vitt, Dale H (Southern Illinois University)
Creator:	Vile, Melanie A (Villanova University)
Creator:	Graham, Jeremy A (Southern Illinois University)
Creator:	Hartsock, Jeremy A (Southern Illinois University)
Creator:	Fillingim, Hope (Villanova University)
Creator:	House, Melissa (Southern Illinois University)
Creator:	Quinn, James C (Villanova University)
Creator:	Scott, Kimberli D (Villanova University)
Creator:	Petix, Meaghan (Southern Illinois University)
Creator:	McMillen, Kelly J (Villanova University)

Data Entities
Data Table Name:	Roots.csv
Description:	Root Production and Mass Data

Detailed Metadata

Data Entities

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/258/2/7a6b44b171e81183e2859842c14a6576
Name:	Roots.csv
Description:	Root Production and Mass Data
Number of Records:	84
Number of Columns:	12

Table Structure

Object Name:

Roots.csv

Size:

3935 byte

Authentication:

b50ca85bf3c537fffde1cf1a754ac8eb Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

Orientation:

column

Simple Delimited:

Field Delimiter:

Table Column Descriptions

Column Name:

NTRTB

ARM

PLOTB

REP_WITHIN_PLOT

CORE

DEPTHB

MASS

NTRT

DEPTH

YEAR

PLOT

ANNPROD

Definition:

Field experimental N treatments were made with 8 applications per plot per year between mid-May and mid-August of each year

Experimental plots were located along 3 arms; each arm had one replicate each of 8 N treatments

Each treatment plot has its own designation 1-21

Sample taken in plot

Each sample has its own designation 1-42

How deep samples were taken

Mass of roots in core (gramsDryMassPerSquareMeterPer15cmDepthInterval)

Field experimental N treatments were made with 8 applications per plot per year between mid-May and midiAugust of each year

From where samples were taken

Year of collection: 2014 or 2015

Each treatment plot has its own designation 1-21

Annual root production as measured in grams of roots (gramsDryMassPerSquareMeterPerYearPer15cmDepthInterval)

Storage Type:

string

float

string

date

string

float

Measurement Type:

nominal

ratio

nominal

dateTime

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	C
Definition	Control, no water, no N added
Source

Code Definition

Code	0
Definition	0 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	5
Definition	5 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	10
Definition	10 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	15
Definition	15 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	20
Definition	20 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	25
Definition	25 kg N/ha/yr added as NH4NO3
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	Arm 1
Source

Code Definition

Code	2
Definition	Arm 2
Source

Code Definition

Code	3
Definition	Arm 3
Source

Definition

Each treatment plot has its own designation 1-21

Definition

Sample taken in plot

Definition

Each sample has its own designation 1-42

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0-15
Definition	0-15 cm
Source

Code Definition

Code	15-30
Definition	15-30 cm
Source

Unit	dimensionless
Type	real
Min	67.98
Max	928.87

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	C
Definition	Control, no water, no N added
Source

Code Definition

Code	0
Definition	0 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	5
Definition	5 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	10
Definition	10 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	15
Definition	15 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	20
Definition	20 kg N/ha/yr added as NH4NO3
Source

Code Definition

Code	25
Definition	25 kg N/ha/yr added as NH4NO3
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0-15
Definition	0-15 cm
Source

Code Definition

Code	15-30
Definition	15-30 cm
Source

Format	YYYY
Precision

Definition

Each treatment plot has its own designation 1-21

Unit	dimensionless
Type	real
Min	2.8
Max	395.64

Missing Value Code:

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Code	-99999
Expl	Missing value

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Package Usage Rights

This data package is released to the “public domain” under Creative Commons CC0 1.0 “No Rights Reserved” (see: https://creativecommons.org/publicdomain/zero/1.0/). It is considered professional etiquette to provide attribution of the original work if this data package is shared in whole or by individual components. A generic citation is provided for this data package on the website https://portal.edirepository.org (herein “website”) in the summary metadata page. Communication (and collaboration) with the creators of this data package is recommended to prevent duplicate research or publication. This data package (and its components) is made available “as is” and with no warranty of accuracy or fitness for use. The creators of this data package and the website shall not be liable for any damages resulting from misinterpretation or misuse of the data package or its components. Periodic updates of this data package may be available from the website. Thank you.

Keywords

By Thesaurus:
(No thesaurus)	Villanova Peatland Biogeochemistry Group, bog, peat, nitrogen, root production, root biomass

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

Methods and protocols used in the collection of this data package

Description:

We measured root biomass in the top 30 cm of peat in 2014. On 31 May 2014, we extracted two 7.6-cm diam. cores to a depth of 30 cm in each plot using a section of PVC pipe fitted with a sharpened metal cylindrical tip. We manually extracted roots from cores divided into two 15-cm sections using tweezers by submerging each section in a shallow dish filled with water to help tease the roots apart. To quantify root production, we used the ingrowth bag approach (Finér and Laine 2000). On 1 June 2014, we inserted two tulle bags (7.6 cm diam.; 30 cm tall) filled with Premier organic peatmoss vertically into the peat in each plot. We removed one bag on 5 October 2014 and the other on 23 September 2015, from which we calculated 1-year and 2-year root production. Upon retrieval, we cut each of these bags into 15-cm sections, shipped them back to the laboratory, and froze them. Due to the extreme number of fine roots throughout the 15 cm core sections, we cut the midsection of each core into a 2-cm disc using a bandsaw. We gently boiled the discs for 30 min allowing roots to become loosened from the peat matrix. We manually separated roots from the peat, dried them for 4 days at 55 C, and weighed them. Previous work (Xu 2004) has shown that although root biomass in 3-cm depth increments is variable in Alberta bog peat, root biomass in the midsection of the 0-15 and 15-30 cm depth increments reasonably represents root biomass across the 15-cm depth increments.

People and Organizations

Creators:

Individual:

Kelman R Wieder

Organization:

Villanova University

Email Address:

kelman.wieder@villanova.edu

Id:

https://orcid.org/0000-0001-5856-8473

Individual:	Dale H Vitt
Organization:	Southern Illinois University

Individual:

Melanie A Vile

Organization:

Villanova University

Email Address:

mvile@villanova.edu

Individual:

Jeremy A Graham

Organization:

Southern Illinois University

Email Address:

jeremyg@mtu.edu

Individual:

Jeremy A Hartsock

Organization:

Southern Illinois University

Email Address:

hartsock@siu.edu

Individual:

Hope Fillingim

Organization:

Villanova University

Email Address:

fillingimhope@gmail.com

Individual:

Melissa House

Organization:

Southern Illinois University

Email Address:

mhouse@siu.edu

Individual:

James C Quinn

Organization:

Villanova University

Email Address:

jcqui03@gmail.com

Individual:

Kimberli D Scott

Organization:

Villanova University

Email Address:

kscott@villanova.edu

Individual:

Meaghan Petix

Organization:

Southern Illinois University

Email Address:

meaghan.petix@wsu.edu

Individual:

Kelly J McMillen

Organization:

Villanova University

Email Address:

Kelly.Mcmillen@ttu.edu

Contacts:

Individual:

Kelman R Wieder

Organization:

Villanova University

Email Address:

kelman.wieder@villanova.edu

Id:

https://orcid.org/0000-0001-5856-8473

Temporal, Geographic and Taxonomic Coverage

Temporal, Geographic and/or Taxonomic information that applies to all data in this dataset:

Time Period

Begin:

2014-05-31

End:

2015-09-23

Sampling Site:

Description:

Alberta, Canada, 100 km south of Fort McMurray, Canada

Site Coordinates:

Longitude (degree):

-112.094

Latitude (degree):

55.895

Project

Parent Project Information:

Title:

Nitrogen Addition Experiments in Boreal Ecosystems: Understanding the Fate of Atmospherically Deposited Nitrogen in order to Determine Nitrogen Critical Loads

Personnel:

Individual:

Kelman Wieder

Email Address:

kelman.wieder@villanova.edu

Id:

https://orcid.org/0000-0001-5856-8473

Role:

Principal Investigator

Funding:

Cumulative Environmental Management Association (CEMA): 2011-0003

Maintenance

Maintenance:

Description:	completed
Frequency:

Other Metadata

Copyright 2024 Environmental Data Initiative. This material is based upon work supported by the National Science Foundation under grants #2223103 and #2223104. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Please contact us with questions, comments, or for technical assistance regarding this web site or the Environmental Data Initiative. Please read our privacy policy to know what information we collect about you and to understand your privacy rights.

EDI is a collaboration between the University of New Mexico and the University of Wisconsin – Madison, Center for Limnology:

Data Package Metadata View Summary

Vascular Root Biomass and N Concentrations at Two Depths in an Alberta Peatland Subjected to Increasing Nitrogen Deposition, 2014-2015

Data Entities

Data Table

Data Package Usage Rights

Keywords

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Parent Project Information:

Maintenance

Recently Added

Recently Updated

Data Package Metadata View Summary

Vascular Root Biomass and N Concentrations at Two Depths in an Alberta Peatland Subjected to Increasing Nitrogen Deposition, 2014-2015

+/- Data Entities

Data Table

+/- Data Package Usage Rights

+/- Keywords

+/- Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

+/- People and Organizations

+/- Temporal, Geographic and Taxonomic Coverage

+/- Project

Parent Project Information:

+/- Maintenance

Data Entities

Data Package Usage Rights

Keywords

Methods and Protocols

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Maintenance